138769730762479680

Names of 138769730762479680

• Cardinal: 138769730762479680 can be written as One hundred thirty-eight quadrillion, seven hundred sixty-nine trillion, seven hundred thirty billion, seven hundred sixty-two million, four hundred seventy-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3876973076247968 × 10¹⁷

Factors of 138769730762479680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1004303674

Divisors of 138769730762479680

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 143953 287906 431859 575812 719765 863718 1151624 1439530 1727436 2159295 2303248 2879060 3454872 4318590 4606496 5758120 6909744 8637180 9212992 11516240 13819488 17274360 23032480 27638976 34548720 46064960 69097440 138194880 1004159711 2008319422 3012479133 4016638844 5020798555 6024958266 8033277688 10041597110 12049916532 15062395665 16066555376 20083194220 24099833064 30124791330 32133110752 40166388440 48199666128 60249582660 64266221504 80332776880 96399332256 120499165320 160665553760 192798664512 240998330640 321331107520 481996661280 963993322560 144551802877583 289103605755166 433655408632749 578207211510332 722759014387915 867310817265498 1156414423020664 1445518028775830 1734621634530996 2168277043163745 2312828846041328 2891036057551660 3469243269061992 4336554086327490 4625657692082656 5782072115103320 6938486538123984 8673108172654980 9251315384165312 11564144230206640 13876973076247968 17346216345309960 23128288460413280 27753946152495936 34692432690619920 46256576920826560 69384865381239840 138769730762479680
• Sum of all divisors σ(n): 440596956288443904
• Sum of proper divisors (its aliquot sum) s(n): 301827225525964224
• 138769730762479680 is an abundant number, because the sum of its proper divisors (301827225525964224) is greater than itself. Its abundance is 163057494763484544

Bases of 138769730762479680

• Binary: 111101101000000100101010110111011101011001001100001000000₂
• Hexadecimal: 0x1ED0255BBAC9840
• Base-36: 11YDRI8FPIDC

Squares and roots of 138769730762479680

• 138769730762479680 squared (138769730762479680²) is 19257038175891099229548062412902400
• 138769730762479680 cubed (138769730762479680³) is 2672294002951200655588821698455667737561849823232000
• The square root of 138769730762479680 is 372518094.5437143191
• The cube root of 138769730762479680 is 517723.9411501599

Scales and comparisons

• 138,769,730,762,479,680 seconds is equal to 4,412,448,195 years, 14 weeks, 6 days, 6 hours, 8 minutes.
• To count from 1 to 138,769,730,762,479,680 would take you about thirteen billion, two hundred thirty-seven million, three hundred forty-four thousand, five hundred eighty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 138769730762479680 cubic inches would be around 43143.7 feet tall.

Recreational maths with 138769730762479680

• 138769730762479680 backwards is 086974267037967831
• The number of decimal digits it has is: 18
• The sum of 138769730762479680's digits is 93
• More coming soon!